Emarpy Appliance is a company that produces all kinds of major appliances. Bud Banis, the president of Emarpy, is concerned about the production policy for the company's best$-$selling refrigerator. The annual demand for this has been about $8,500$ units each year, and this demand has been constant throughout the year. The production capacity is $190$ units per day. Each time production starts, it costs the company $$120$ to move materials into place, reset the assembly line, and clean the equipment. The holding cost of a refrigerator is $$52$ per year. The current production plan calls for $380$ refrigerators to be produced in each production run. Assume there are $250$ working days per year.

a$)$ What is the daily demand of this product? units $($enter your response as a whole number$).$